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3 years ago

5

Salma will run less than 28 miles this week. So far, she has run 19 miles. What are the possible numbers of additional miles she

will run?

1 answer:

Jobisdone [24]3 years ago

3 0

Answer:

Salma can run 1 to 8 more miles to run less than 28 miles in total

Step-by-step explanation:

28-19= 9 but she is running LESS than 28 miles so subtract 1 from that 9

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3 years ago

The book fair sells 185 books and 58 posters how many more books than posters did they sell

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127 more posters than books.

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4 years ago

QveST [7]

Use the quadratic formula with a = 2, b = -5, and c = 1

x = -b ± sq rt b2 - 4ac
-------------------- <---------- Please note: sq rt is over entire expression of b^2 - 4ac
2a

x = - (-5) ± sq rt (-5)2 + 4(2)(1)
-------------------------------- <---------Please note: sq rt is over entire expression (-5)2 + 4(2)(1)
2(2)

x = 5 ± √17
---------
4

x = 5 + 1√17 OR x = 5 + -1√17
--- --- --- ----
4 4 4 4

Answer: x = 5 + 1√17 OR x = 5 + -1√17
--- -- -- --
4 4 4 4

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3 years ago

Four times a number increased by five is the same as triple the difference of a number and two. What is the number?

Dominik [7]

Answer:

Step-by-step explanation:

Let the number be x,

4x+5 = 3(x-2)

4x+5 = 3x-6

Collect like terms

4x-3x = -5-6

x. = -11

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3 years ago

Wendell is looking over some data regarding the strength, measured in Pascals (Pa), of some building materials and how the stren

Slav-nsk [51]

The logarithmic model for the length when the strength is of 8 Pascals is given by:

$f^{-1}(8) = \log_{2}{8} = \log_2{2^3} = 3$
That is, the length is of 3 units.

<h3>What is the function?</h3>

The strength in Pascals for a building of length x is given by:

$f(x) = 2^x$

To find the length given the strength, we apply the inverse function, that is:

$2^y = x$

$\log_{2}{2^y} = \log_2{x}$

$y = \log_2{x}$

Hence, when the strength is of 8 Pascals, $x = 8$ , and the length is given by:

$f^{-1}(8) = \log_{2}{8} = \log_2{2^3} = 3$

You can learn more about logarithmic functions at brainly.com/question/25537936

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2 years ago